can flex
Verbo regular: flex - flexed- flexed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can flex
you can flex
he can flex
we can flex
you can flex
they can flex 	I can be flexing
you can be flexing
he can be flexing
we can be flexing
you can be flexing
they can be flexing	I can have flexed
you can have flexed
he can have flexed
we can have flexed
you can have flexed
they can have flexed	I can have been flexing
you can have been flexing
he can have been flexing
we can have been flexing
you can have been flexing
they can have been flexing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot flex
you cannot flex
he cannot flex
we cannot flex
you cannot flex
they cannot flex 	I cannot be flexing
you cannot be flexing
he cannot be flexing
we cannot be flexing
you cannot be flexing
they cannot be flexing	I cannot have flexed
you cannot have flexed
he cannot have flexed
we cannot have flexed
you cannot have flexed
they cannot have flexed	I cannot have been flexing
you cannot have been flexing
he cannot have been flexing
we cannot have been flexing
you cannot have been flexing
they cannot have been flexing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I flex?
can you flex?
can he flex?
can we flex?
can you flex?
can they flex? 	can I be flexing?
can you be flexing?
can he be flexing?
can we be flexing?
can you be flexing?
can they be flexing? 	can I have flexed?
can you have flexed?
can he have flexed?
can we have flexed?
can you have flexed?
can they have flexed? 	can I have been flexing?
can you have been flexing?
can he have been flexing?
can we have been flexing?
can you have been flexing?
can they have been flexing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not flex?
can you not flex?
can he not flex?
can we not flex?
can you not flex?
can they not flex? 	can I not be flexing?
can you not be flexing?
can he not be flexing?
can we not be flexing?
can you not be flexing?
can they not be flexing? 	can I not have flexed?
can you not have flexed?
can he not have flexed?
can we not have flexed?
can you not have flexed?
can they not have flexed? 	can I not have been flexing?
can you not have been flexing?
can he not have been flexing?
can we not have been flexing?
can you not have been flexing?
can they not have been flexing?